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1 /* | 1 /* |
2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above | 8 * 1. Redistributions of source code must retain the above |
9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
10 * disclaimer. | 10 * disclaimer. |
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50 // flow thread. It will also help in doing the layout. However, it will not rend
er | 50 // flow thread. It will also help in doing the layout. However, it will not rend
er |
51 // directly to screen. Instead, RenderRegion objects will redirect their paint | 51 // directly to screen. Instead, RenderRegion objects will redirect their paint |
52 // and nodeAtPoint methods to this object. Each RenderRegion will actually be a
viewPort | 52 // and nodeAtPoint methods to this object. Each RenderRegion will actually be a
viewPort |
53 // of the RenderFlowThread. | 53 // of the RenderFlowThread. |
54 | 54 |
55 class RenderFlowThread: public RenderBlockFlow { | 55 class RenderFlowThread: public RenderBlockFlow { |
56 public: | 56 public: |
57 RenderFlowThread(); | 57 RenderFlowThread(); |
58 virtual ~RenderFlowThread() { }; | 58 virtual ~RenderFlowThread() { }; |
59 | 59 |
60 virtual bool isRenderFlowThread() const OVERRIDE FINAL { return true; } | 60 virtual bool isRenderFlowThread() const override final { return true; } |
61 virtual bool isRenderMultiColumnFlowThread() const { return false; } | 61 virtual bool isRenderMultiColumnFlowThread() const { return false; } |
62 virtual bool isRenderPagedFlowThread() const { return false; } | 62 virtual bool isRenderPagedFlowThread() const { return false; } |
63 | 63 |
64 virtual void layout() OVERRIDE; | 64 virtual void layout() override; |
65 | 65 |
66 // Always create a RenderLayer for the RenderFlowThread so that we | 66 // Always create a RenderLayer for the RenderFlowThread so that we |
67 // can easily avoid drawing the children directly. | 67 // can easily avoid drawing the children directly. |
68 virtual LayerType layerTypeRequired() const OVERRIDE FINAL { return NormalLa
yer; } | 68 virtual LayerType layerTypeRequired() const override final { return NormalLa
yer; } |
69 | 69 |
70 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct
ion) OVERRIDE FINAL; | 70 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTes
tLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAct
ion) override final; |
71 | 71 |
72 virtual void addRegionToThread(RenderMultiColumnSet*) = 0; | 72 virtual void addRegionToThread(RenderMultiColumnSet*) = 0; |
73 virtual void removeRegionFromThread(RenderMultiColumnSet*); | 73 virtual void removeRegionFromThread(RenderMultiColumnSet*); |
74 | 74 |
75 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic
alTop, LogicalExtentComputedValues&) const OVERRIDE; | 75 virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logic
alTop, LogicalExtentComputedValues&) const override; |
76 | 76 |
77 bool hasRegions() const { return m_multiColumnSetList.size(); } | 77 bool hasRegions() const { return m_multiColumnSetList.size(); } |
78 | 78 |
79 void validateRegions(); | 79 void validateRegions(); |
80 void invalidateRegions(); | 80 void invalidateRegions(); |
81 bool hasValidRegionInfo() const { return !m_regionsInvalidated && !m_multiCo
lumnSetList.isEmpty(); } | 81 bool hasValidRegionInfo() const { return !m_regionsInvalidated && !m_multiCo
lumnSetList.isEmpty(); } |
82 | 82 |
83 void paintInvalidationRectangleInRegions(const LayoutRect&) const; | 83 void paintInvalidationRectangleInRegions(const LayoutRect&) const; |
84 | 84 |
85 LayoutUnit pageLogicalHeightForOffset(LayoutUnit); | 85 LayoutUnit pageLogicalHeightForOffset(LayoutUnit); |
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180 }; | 180 }; |
181 | 181 |
182 template <> struct ValueToString<RenderMultiColumnSet*> { | 182 template <> struct ValueToString<RenderMultiColumnSet*> { |
183 static String string(const RenderMultiColumnSet* value) { return String::for
mat("%p", value); } | 183 static String string(const RenderMultiColumnSet* value) { return String::for
mat("%p", value); } |
184 }; | 184 }; |
185 #endif | 185 #endif |
186 | 186 |
187 } // namespace blink | 187 } // namespace blink |
188 | 188 |
189 #endif // RenderFlowThread_h | 189 #endif // RenderFlowThread_h |
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